... 4.OEM Machining precision mechanical machining auto parts, metal auto parts, car parts, motor parts Ⅰ.BRIEF INTRODUCTIONWe can offer CNC machining, Swiss ... The line of production: valves, construction parts, auto parts, railways parts, marine parts, structure parts of printer, copycat, electrograph, connector ... application.4.The tolerances of the product.5.Drawings, samples or pictures with details.6 ...